Gulf of Mexico Estuarine Fish and Invertebrate Distribution (1992)

NOAA's Estuarine Living Marine Resources (ELMR) dataset documents the distribution and relative abundance of 44 ecologically and economically important fish and invertebrate species across 31 estuaries in the Gulf of Mexico. For each species, monthly abundance rankings are provided on a five-tier scale for up to five life stages within one to three salinity zones per estuary. This original regional component was created in 1992 by the National Oceanic and Atmospheric Administration.

Use Cases

• Analyzing seasonal habitat use patterns by cross-referencing species, life stage, month, and salinity zone data.
• Modeling historical species distributions within specific estuaries like Apalachicola Bay or the Mississippi Sound.
• Comparing relative abundance rankings across different life stages (e.g., adults vs. juveniles) for a single species.
• Assessing the presence of commercial or recreational species across the Tidal Fresh, Mixing, and Seawater zones.

Strengths

• Provides a systematic, multi-dimensional view with data for 44 species across 31 estuaries.
• Includes temporal (monthly) and spatial (salinity zone) granularity for up to five life stages per species.
• Follows a nationally consistent methodology documented in peer-reviewed publications (Nelson et al., 1992; Nelson and Monaco, 2000).

Limitations

• Data represents a single snapshot from 1992, limiting analysis of recent trends or changes.
• Key structural details like exact row count and column names are unavailable from the provided sources.
• Conflicting last-update dates exist between platforms (1992 vs. 2026), suggesting metadata inconsistency.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Species selected by criteria for commercial, recreational, and ecological value; relative abundance ranked on a five-tier scale by experts.

Time Range

1992

Freshness

1992-09-30 00:00:00

Geography

31 estuaries in coastal Florida, Alabama, Mississippi, Louisiana, and Texas, within the Gulf of Mexico.